Qiaodong Cui

Qiaodong Cui

Research Engineer at Inkbit

Email: qcui@inkbit3d.com, cqd123123@hotmail.com

LinkedIn

About Me

I am a research engineer with a Ph.D. in Computer Graphics from the University of California, Santa Barbara, where I was mentored by Professor Ted Kim. My expertise lies in computational graphics, simulation, and optimization, with a focus on developing scalable solutions that address industry challenges.

As the lead inventor of the SSP (Scalable Spectral Packing) technology, I have guided its research and development across industries including 3D printing, robotics, and manufacturing. SSP has been successfully deployed for clients to optimize workflows and reduce costs. One highlight is the publication "Dense, Interlocking-Free and Scalable Spectral Packing of Generic 3D Objects", presented at SIGGRAPH 2023 and covered by major outlets such as MIT News, Yahoo, and Voxelmatters.

My research spans physically based animation, geometry processing, and shape analysis, where I have developed efficient spectral methods for 3D packing and smoke simulation.

Beyond research, I contribute to education as a Software Development Fellow at the Open Avenues Foundation, where I design and teach courses on computer graphics that focus on WebGL and Three.js.


Experience


Commercialization and Technology Transfer

I spearhead the research and development of software products derived from SSP technology, including the following offerings:

Inkbit Construct is Inkbit's proprietary build preparation tool that leverages SSP to streamline 3D printing operations. It significantly reduces manual labor in build preparation and boosts printer throughput by up to 30%.

Fitting Pack, developed for a leading candy and toy manufacturer, ensures toys fit into designated containers while incorporating digital safety checks. It achieved substantial time and cost savings by largely replacing the client's manual processes with digital automation.

Flex Pack, designed for IMA, a global leader in box-on-demand machines, selects optimal box sizes for cutting machines to reduce shipping costs. It also analyzes client order histories to configure boxes for the machines, yielding greater savings.

SSP in Synera brings SSP to the Synera marketplace through our ongoing collaboration. Our goal is to make build preparation for additive manufacturing more accessible and cost-effective for a broader range of companies.

SSP for Robotics Packing is an evaluation project conducted with a major e-commerce company. We integrated SSP into Nvidia Isaac Sim to develop a robotic box-packing simulation, and during testing, our solution outperformed the company's existing system.

These products have generated significant additional revenue for Inkbit while delivering transformative solutions for our partners and clients. Please visit https://inkbit3d.com/packing/ for more details.

Inkbit Construct Software
Inkbit Construct: Streamlining 3D printing operations
Fitting Pack Tool
Fitting Pack: Revolutionizing toy design workflows
Flex Pack Software
Flex Pack: Optimizing shipping costs with smarter box sizes
Flex Pack Software
SSP for Robotics Packing

Publications

Dense, Interlocking-Free and Scalable Spectral Packing of Generic 3D Objects

Qiaodong Cui, Victor Rong, Desai Chen, Wojciech Matusik

ACM Transactions on Graphics (SIGGRAPH 2023)

Featured on the MIT front page and MIT News, and covered by outlets including Yahoo, SIGGRAPH, Voxelmatters, 3D Printing Industry, 3Printr, and 3DPrinting.com.

[Paper] [Project]

A Universal Scaling Law for Intrinsic Fracture Energy of Networks

Chase Hartquist, Shu Wang, Qiaodong Cui, Wojciech Matusik, Bolei Deng, Xuanhe Zhao

Physical Review X 2025

MIT News

[Paper] [Link]

Spiral-spectral Fluid Simulation

Qiaodong Cui, Timothy Langlois, Pradeep Sen, Theodore Kim

ACM Transactions on Graphics (SIGGRAPH Asia 2021)

[Paper] [Video] [Slides] [Supplement] [Code]

Fast and Robust Stochastic Structural Optimization

Qiaodong Cui, Timothy Langlois, Pradeep Sen, Theodore Kim

Eurographics 2020

[Paper] [Video] [Slides]

Scalable Laplacian Eigenfluids

Qiaodong Cui, Pradeep Sen, Theodore Kim

ACM Transactions on Graphics (SIGGRAPH 2018)

[Paper] [Project] [Video] [Slides]

GraphMatch: Efficient Large-Scale Graph Construction for Structure from Motion

Qiaodong Cui, Victor Fragoso, Chris Sweeney, Pradeep Sen

International Conference on 3D Vision 2017 Oral

[Paper] [Video] [Slides] [Poster]

Target Temperature Driven Dynamic Flame Animation

Qiaodong Cui, Zhaohui Wu, Chang Xing, Zhong Zhou, Wei Wu

Eurographics 2015

[Paper] [Video]

Automatic Mesh Animation Preview

Yi Li, Qiaodong Cui, Fei Dou, Zhong Zhou

IEEE International Conference on Multimedia and Expo 2014

[Paper]


Patents

Frequency Domain Spatial Packing for 3D Fabrication

Qiaodong Cui, Wojciech Matusik, Victor Rong

US11897203B1, US20240173925A1